Sample
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3 was obtained from a study at a high school. The teaching
staff (678 persons) was asked in a personal e-mail to participate
in a survey on leadership and well-being. One
hundred and sixty teachers completed the survey. Sample 4
was a combined sample of small studies conducted in a
clinic, a restaurant, several shops, a fire brigade, and a
small factory and included 93 people. All respondents in
these samples participated voluntary.